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<h1><a href="networkservices_v1beta1.html">Network Services API</a> . <a href="networkservices_v1beta1.projects.html">projects</a> . <a href="networkservices_v1beta1.projects.locations.html">locations</a> . <a href="networkservices_v1beta1.projects.locations.lbEdgeExtensions.html">lbEdgeExtensions</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
  <code><a href="#close">close()</a></code></p>
<p class="firstline">Close httplib2 connections.</p>
<p class="toc_element">
  <code><a href="#create">create(parent, body=None, lbEdgeExtensionId=None, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Creates a new `LbEdgeExtension` resource in a given project and location.</p>
<p class="toc_element">
  <code><a href="#delete">delete(name, requestId=None, x__xgafv=None)</a></code></p>
<p class="firstline">Deletes the specified `LbEdgeExtension` resource.</p>
<p class="toc_element">
  <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
<p class="firstline">Gets details of the specified `LbEdgeExtension` resource.</p>
<p class="toc_element">
  <code><a href="#list">list(parent, filter=None, orderBy=None, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
<p class="firstline">Lists `LbEdgeExtension` resources in a given project and location.</p>
<p class="toc_element">
  <code><a href="#list_next">list_next()</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<p class="toc_element">
  <code><a href="#patch">patch(name, body=None, requestId=None, updateMask=None, x__xgafv=None)</a></code></p>
<p class="firstline">Updates the parameters of the specified `LbEdgeExtension` resource.</p>
<h3>Method Details</h3>
<div class="method">
    <code class="details" id="close">close()</code>
  <pre>Close httplib2 connections.</pre>
</div>

<div class="method">
    <code class="details" id="create">create(parent, body=None, lbEdgeExtensionId=None, requestId=None, x__xgafv=None)</code>
  <pre>Creates a new `LbEdgeExtension` resource in a given project and location.

Args:
  parent: string, Required. The parent resource of the `LbEdgeExtension` resource. Must be in the format `projects/{project}/locations/{location}`. (required)
  body: object, The request body.
    The object takes the form of:

{ # `LbEdgeExtension` is a resource that lets the extension service influence the selection of backend services and Cloud CDN cache keys by modifying request headers.
  &quot;createTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was created.
  &quot;description&quot;: &quot;A String&quot;, # Optional. A human-readable description of the resource.
  &quot;extensionChains&quot;: [ # Required. A set of ordered extension chains that contain the match conditions and extensions to execute. Match conditions for each extension chain are evaluated in sequence for a given request. The first extension chain that has a condition that matches the request is executed. Any subsequent extension chains do not execute. Limited to 5 extension chains per resource.
    { # A single extension chain wrapper that contains the match conditions and extensions to execute.
      &quot;extensions&quot;: [ # Required. A set of extensions to execute for the matching request. At least one extension is required. Up to 3 extensions can be defined for each extension chain for `LbTrafficExtension` resource. `LbRouteExtension` and `LbEdgeExtension` chains are limited to 1 extension per extension chain.
        { # A single extension in the chain to execute for the matching request.
          &quot;allowDynamicForwarding&quot;: True or False, # Optional. When set to `TRUE`, the response from an extension service is allowed to set the `com.google.envoy.dynamic_forwarding` namespace in the dynamic metadata. This field is not supported for plugin extensions or AuthzExtensions. Setting it results in a validation error.
          &quot;authority&quot;: &quot;A String&quot;, # Optional. The `:authority` header in the gRPC request sent from Envoy to the extension service. Required for Callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
          &quot;failOpen&quot;: True or False, # Optional. Determines how the proxy behaves if the call to the extension fails or times out. When set to `TRUE`, request or response processing continues without error. Any subsequent extensions in the extension chain are also executed. When set to `FALSE` or the default setting of `FALSE` is used, one of the following happens: * If response headers have not been delivered to the downstream client, a generic 500 error is returned to the client. The error response can be tailored by configuring a custom error response in the load balancer. * If response headers have been delivered, then the HTTP stream to the downstream client is reset.
          &quot;forwardHeaders&quot;: [ # Optional. List of the HTTP headers to forward to the extension (from the client or backend). If omitted, all headers are sent. Each element is a string indicating the header name.
            &quot;A String&quot;,
          ],
          &quot;metadata&quot;: { # Optional. The metadata provided here is included as part of the `metadata_context` (of type `google.protobuf.Struct`) in the `ProcessingRequest` message sent to the extension server. For `AuthzExtension` resources, the metadata is available under the namespace `com.google.authz_extension.`. For other types of extensions, the metadata is available under the namespace `com.google....`. For example: `com.google.lb_traffic_extension.lbtrafficextension1.chain1.ext1`. The following variables are supported in the metadata: `{forwarding_rule_id}` - substituted with the forwarding rule&#x27;s fully qualified resource name. This field must not be set for plugin extensions. Setting it results in a validation error. You can set metadata at either the resource level or the extension level. The extension level metadata is recommended because you can pass a different set of metadata through each extension to the backend. This field is subject to following limitations: * The total size of the metadata must be less than 1KiB. * The total number of keys in the metadata must be less than 16. * The length of each key must be less than 64 characters. * The length of each value must be less than 1024 characters. * All values must be strings.
            &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
          },
          &quot;name&quot;: &quot;A String&quot;, # Optional. The name for this extension. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number. This field is required except for AuthzExtension.
          &quot;requestBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for request body processing. The field can only be set if `supported_events` includes `REQUEST_BODY`. If `supported_events` includes `REQUEST_BODY`, but `request_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `REQUEST_BODY` and `REQUEST_TRAILERS`. This field can be set only for `LbTrafficExtension` and `LbRouteExtension` resources, and only when the `service` field of the extension points to a `BackendService`. Only `FULL_DUPLEX_STREAMED` mode is supported for `LbRouteExtension` resources.
          &quot;responseBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for response processing. If unspecified, the default value `STREAMED` is used. The field can only be set if `supported_events` includes `RESPONSE_BODY`. If `supported_events` includes `RESPONSE_BODY`, but `response_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `RESPONSE_BODY` and `RESPONSE_TRAILERS`. This field can be set only for `LbTrafficExtension` resources, and only when the `service` field of the extension points to a `BackendService`.
          &quot;service&quot;: &quot;A String&quot;, # Required. The reference to the service that runs the extension. To configure a callout extension, `service` must be a fully-qualified reference to a [backend service](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices) in the format: `https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}` or `https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices/{backendService}`. To configure a plugin extension, `service` must be a reference to a [`WasmPlugin` resource](https://cloud.google.com/service-extensions/docs/reference/rest/v1beta1/projects.locations.wasmPlugins) in the format: `projects/{project}/locations/{location}/wasmPlugins/{plugin}` or `//networkservices.googleapis.com/projects/{project}/locations/{location}/wasmPlugins/{wasmPlugin}`. Plugin extensions are currently supported for the `LbTrafficExtension`, the `LbRouteExtension`, and the `LbEdgeExtension` resources.
          &quot;supportedEvents&quot;: [ # Optional. A set of events during request or response processing for which this extension is called. For the `LbTrafficExtension` resource, this field is required. For the `LbRouteExtension` resource, this field is optional. If unspecified, `REQUEST_HEADERS` event is assumed as supported. For the `LbEdgeExtension` resource, this field is required and must only contain `REQUEST_HEADERS` event. For the `AuthzExtension` resource, this field is optional. `REQUEST_HEADERS` is the only supported event. If unspecified, `REQUEST_HEADERS` event is assumed as supported.
            &quot;A String&quot;,
          ],
          &quot;timeout&quot;: &quot;A String&quot;, # Optional. Specifies the timeout for each individual message on the stream. The timeout must be between `10`-`10000` milliseconds. Required for callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
        },
      ],
      &quot;matchCondition&quot;: { # Conditions under which this chain is invoked for a request. # Required. Conditions under which this chain is invoked for a request.
        &quot;celExpression&quot;: &quot;A String&quot;, # Required. A Common Expression Language (CEL) expression that is used to match requests for which the extension chain is executed. For more information, see [CEL matcher language reference](https://cloud.google.com/service-extensions/docs/cel-matcher-language-reference).
      },
      &quot;name&quot;: &quot;A String&quot;, # Required. The name for this extension chain. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number.
    },
  ],
  &quot;forwardingRules&quot;: [ # Required. A list of references to the forwarding rules to which this service extension is attached. At least one forwarding rule is required. Only one `LbEdgeExtension` resource can be associated with a forwarding rule.
    &quot;A String&quot;,
  ],
  &quot;labels&quot;: { # Optional. Set of labels associated with the `LbEdgeExtension` resource. The format must comply with [the requirements for labels](https://cloud.google.com/compute/docs/labeling-resources#requirements) for Google Cloud resources.
    &quot;a_key&quot;: &quot;A String&quot;,
  },
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # Required. All forwarding rules referenced by this extension must share the same load balancing scheme. Supported values: `EXTERNAL_MANAGED`.
  &quot;name&quot;: &quot;A String&quot;, # Required. Identifier. Name of the `LbEdgeExtension` resource in the following format: `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`.
  &quot;updateTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was updated.
}

  lbEdgeExtensionId: string, Required. User-provided ID of the `LbEdgeExtension` resource to be created.
  requestId: string, Optional. An optional request ID to identify requests. Specify a unique request ID so that if you must retry your request, the server can ignore the request if it has already been completed. The server guarantees that for 60 minutes since the first request. For example, consider a situation where you make an initial request and the request times out. If you make the request again with the same request ID, the server ignores the second request This prevents clients from accidentally creating duplicate commitments. The request ID must be a valid UUID with the exception that zero UUID is not supported (00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  &quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
    &quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  &quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
  &quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  &quot;response&quot;: { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
}</pre>
</div>

<div class="method">
    <code class="details" id="delete">delete(name, requestId=None, x__xgafv=None)</code>
  <pre>Deletes the specified `LbEdgeExtension` resource.

Args:
  name: string, Required. The name of the `LbEdgeExtension` resource to delete. Must be in the format `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`. (required)
  requestId: string, Optional. An optional request ID to identify requests. Specify a unique request ID so that if you must retry your request, the server can ignore the request if it has already been completed. The server guarantees that for 60 minutes after the first request. For example, consider a situation where you make an initial request and the request times out. If you make the request again with the same request ID, the server ignores the second request This prevents clients from accidentally creating duplicate commitments. The request ID must be a valid UUID with the exception that zero UUID is not supported (00000000-0000-0000-0000-000000000000).
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  &quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
    &quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  &quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
  &quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  &quot;response&quot;: { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
}</pre>
</div>

<div class="method">
    <code class="details" id="get">get(name, x__xgafv=None)</code>
  <pre>Gets details of the specified `LbEdgeExtension` resource.

Args:
  name: string, Required. A name of the `LbEdgeExtension` resource to get. Must be in the format `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`. (required)
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # `LbEdgeExtension` is a resource that lets the extension service influence the selection of backend services and Cloud CDN cache keys by modifying request headers.
  &quot;createTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was created.
  &quot;description&quot;: &quot;A String&quot;, # Optional. A human-readable description of the resource.
  &quot;extensionChains&quot;: [ # Required. A set of ordered extension chains that contain the match conditions and extensions to execute. Match conditions for each extension chain are evaluated in sequence for a given request. The first extension chain that has a condition that matches the request is executed. Any subsequent extension chains do not execute. Limited to 5 extension chains per resource.
    { # A single extension chain wrapper that contains the match conditions and extensions to execute.
      &quot;extensions&quot;: [ # Required. A set of extensions to execute for the matching request. At least one extension is required. Up to 3 extensions can be defined for each extension chain for `LbTrafficExtension` resource. `LbRouteExtension` and `LbEdgeExtension` chains are limited to 1 extension per extension chain.
        { # A single extension in the chain to execute for the matching request.
          &quot;allowDynamicForwarding&quot;: True or False, # Optional. When set to `TRUE`, the response from an extension service is allowed to set the `com.google.envoy.dynamic_forwarding` namespace in the dynamic metadata. This field is not supported for plugin extensions or AuthzExtensions. Setting it results in a validation error.
          &quot;authority&quot;: &quot;A String&quot;, # Optional. The `:authority` header in the gRPC request sent from Envoy to the extension service. Required for Callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
          &quot;failOpen&quot;: True or False, # Optional. Determines how the proxy behaves if the call to the extension fails or times out. When set to `TRUE`, request or response processing continues without error. Any subsequent extensions in the extension chain are also executed. When set to `FALSE` or the default setting of `FALSE` is used, one of the following happens: * If response headers have not been delivered to the downstream client, a generic 500 error is returned to the client. The error response can be tailored by configuring a custom error response in the load balancer. * If response headers have been delivered, then the HTTP stream to the downstream client is reset.
          &quot;forwardHeaders&quot;: [ # Optional. List of the HTTP headers to forward to the extension (from the client or backend). If omitted, all headers are sent. Each element is a string indicating the header name.
            &quot;A String&quot;,
          ],
          &quot;metadata&quot;: { # Optional. The metadata provided here is included as part of the `metadata_context` (of type `google.protobuf.Struct`) in the `ProcessingRequest` message sent to the extension server. For `AuthzExtension` resources, the metadata is available under the namespace `com.google.authz_extension.`. For other types of extensions, the metadata is available under the namespace `com.google....`. For example: `com.google.lb_traffic_extension.lbtrafficextension1.chain1.ext1`. The following variables are supported in the metadata: `{forwarding_rule_id}` - substituted with the forwarding rule&#x27;s fully qualified resource name. This field must not be set for plugin extensions. Setting it results in a validation error. You can set metadata at either the resource level or the extension level. The extension level metadata is recommended because you can pass a different set of metadata through each extension to the backend. This field is subject to following limitations: * The total size of the metadata must be less than 1KiB. * The total number of keys in the metadata must be less than 16. * The length of each key must be less than 64 characters. * The length of each value must be less than 1024 characters. * All values must be strings.
            &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
          },
          &quot;name&quot;: &quot;A String&quot;, # Optional. The name for this extension. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number. This field is required except for AuthzExtension.
          &quot;requestBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for request body processing. The field can only be set if `supported_events` includes `REQUEST_BODY`. If `supported_events` includes `REQUEST_BODY`, but `request_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `REQUEST_BODY` and `REQUEST_TRAILERS`. This field can be set only for `LbTrafficExtension` and `LbRouteExtension` resources, and only when the `service` field of the extension points to a `BackendService`. Only `FULL_DUPLEX_STREAMED` mode is supported for `LbRouteExtension` resources.
          &quot;responseBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for response processing. If unspecified, the default value `STREAMED` is used. The field can only be set if `supported_events` includes `RESPONSE_BODY`. If `supported_events` includes `RESPONSE_BODY`, but `response_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `RESPONSE_BODY` and `RESPONSE_TRAILERS`. This field can be set only for `LbTrafficExtension` resources, and only when the `service` field of the extension points to a `BackendService`.
          &quot;service&quot;: &quot;A String&quot;, # Required. The reference to the service that runs the extension. To configure a callout extension, `service` must be a fully-qualified reference to a [backend service](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices) in the format: `https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}` or `https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices/{backendService}`. To configure a plugin extension, `service` must be a reference to a [`WasmPlugin` resource](https://cloud.google.com/service-extensions/docs/reference/rest/v1beta1/projects.locations.wasmPlugins) in the format: `projects/{project}/locations/{location}/wasmPlugins/{plugin}` or `//networkservices.googleapis.com/projects/{project}/locations/{location}/wasmPlugins/{wasmPlugin}`. Plugin extensions are currently supported for the `LbTrafficExtension`, the `LbRouteExtension`, and the `LbEdgeExtension` resources.
          &quot;supportedEvents&quot;: [ # Optional. A set of events during request or response processing for which this extension is called. For the `LbTrafficExtension` resource, this field is required. For the `LbRouteExtension` resource, this field is optional. If unspecified, `REQUEST_HEADERS` event is assumed as supported. For the `LbEdgeExtension` resource, this field is required and must only contain `REQUEST_HEADERS` event. For the `AuthzExtension` resource, this field is optional. `REQUEST_HEADERS` is the only supported event. If unspecified, `REQUEST_HEADERS` event is assumed as supported.
            &quot;A String&quot;,
          ],
          &quot;timeout&quot;: &quot;A String&quot;, # Optional. Specifies the timeout for each individual message on the stream. The timeout must be between `10`-`10000` milliseconds. Required for callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
        },
      ],
      &quot;matchCondition&quot;: { # Conditions under which this chain is invoked for a request. # Required. Conditions under which this chain is invoked for a request.
        &quot;celExpression&quot;: &quot;A String&quot;, # Required. A Common Expression Language (CEL) expression that is used to match requests for which the extension chain is executed. For more information, see [CEL matcher language reference](https://cloud.google.com/service-extensions/docs/cel-matcher-language-reference).
      },
      &quot;name&quot;: &quot;A String&quot;, # Required. The name for this extension chain. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number.
    },
  ],
  &quot;forwardingRules&quot;: [ # Required. A list of references to the forwarding rules to which this service extension is attached. At least one forwarding rule is required. Only one `LbEdgeExtension` resource can be associated with a forwarding rule.
    &quot;A String&quot;,
  ],
  &quot;labels&quot;: { # Optional. Set of labels associated with the `LbEdgeExtension` resource. The format must comply with [the requirements for labels](https://cloud.google.com/compute/docs/labeling-resources#requirements) for Google Cloud resources.
    &quot;a_key&quot;: &quot;A String&quot;,
  },
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # Required. All forwarding rules referenced by this extension must share the same load balancing scheme. Supported values: `EXTERNAL_MANAGED`.
  &quot;name&quot;: &quot;A String&quot;, # Required. Identifier. Name of the `LbEdgeExtension` resource in the following format: `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`.
  &quot;updateTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was updated.
}</pre>
</div>

<div class="method">
    <code class="details" id="list">list(parent, filter=None, orderBy=None, pageSize=None, pageToken=None, x__xgafv=None)</code>
  <pre>Lists `LbEdgeExtension` resources in a given project and location.

Args:
  parent: string, Required. The project and location from which the `LbEdgeExtension` resources are listed. These values are specified in the following format: `projects/{project}/locations/{location}`. (required)
  filter: string, Optional. Filtering results.
  orderBy: string, Optional. Hint about how to order the results.
  pageSize: integer, Optional. Requested page size. The server might return fewer items than requested. If unspecified, the server picks an appropriate default.
  pageToken: string, Optional. A token identifying a page of results that the server returns.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Message for response to listing `LbEdgeExtension` resources.
  &quot;lbEdgeExtensions&quot;: [ # The list of `LbEdgeExtension` resources.
    { # `LbEdgeExtension` is a resource that lets the extension service influence the selection of backend services and Cloud CDN cache keys by modifying request headers.
      &quot;createTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was created.
      &quot;description&quot;: &quot;A String&quot;, # Optional. A human-readable description of the resource.
      &quot;extensionChains&quot;: [ # Required. A set of ordered extension chains that contain the match conditions and extensions to execute. Match conditions for each extension chain are evaluated in sequence for a given request. The first extension chain that has a condition that matches the request is executed. Any subsequent extension chains do not execute. Limited to 5 extension chains per resource.
        { # A single extension chain wrapper that contains the match conditions and extensions to execute.
          &quot;extensions&quot;: [ # Required. A set of extensions to execute for the matching request. At least one extension is required. Up to 3 extensions can be defined for each extension chain for `LbTrafficExtension` resource. `LbRouteExtension` and `LbEdgeExtension` chains are limited to 1 extension per extension chain.
            { # A single extension in the chain to execute for the matching request.
              &quot;allowDynamicForwarding&quot;: True or False, # Optional. When set to `TRUE`, the response from an extension service is allowed to set the `com.google.envoy.dynamic_forwarding` namespace in the dynamic metadata. This field is not supported for plugin extensions or AuthzExtensions. Setting it results in a validation error.
              &quot;authority&quot;: &quot;A String&quot;, # Optional. The `:authority` header in the gRPC request sent from Envoy to the extension service. Required for Callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
              &quot;failOpen&quot;: True or False, # Optional. Determines how the proxy behaves if the call to the extension fails or times out. When set to `TRUE`, request or response processing continues without error. Any subsequent extensions in the extension chain are also executed. When set to `FALSE` or the default setting of `FALSE` is used, one of the following happens: * If response headers have not been delivered to the downstream client, a generic 500 error is returned to the client. The error response can be tailored by configuring a custom error response in the load balancer. * If response headers have been delivered, then the HTTP stream to the downstream client is reset.
              &quot;forwardHeaders&quot;: [ # Optional. List of the HTTP headers to forward to the extension (from the client or backend). If omitted, all headers are sent. Each element is a string indicating the header name.
                &quot;A String&quot;,
              ],
              &quot;metadata&quot;: { # Optional. The metadata provided here is included as part of the `metadata_context` (of type `google.protobuf.Struct`) in the `ProcessingRequest` message sent to the extension server. For `AuthzExtension` resources, the metadata is available under the namespace `com.google.authz_extension.`. For other types of extensions, the metadata is available under the namespace `com.google....`. For example: `com.google.lb_traffic_extension.lbtrafficextension1.chain1.ext1`. The following variables are supported in the metadata: `{forwarding_rule_id}` - substituted with the forwarding rule&#x27;s fully qualified resource name. This field must not be set for plugin extensions. Setting it results in a validation error. You can set metadata at either the resource level or the extension level. The extension level metadata is recommended because you can pass a different set of metadata through each extension to the backend. This field is subject to following limitations: * The total size of the metadata must be less than 1KiB. * The total number of keys in the metadata must be less than 16. * The length of each key must be less than 64 characters. * The length of each value must be less than 1024 characters. * All values must be strings.
                &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
              },
              &quot;name&quot;: &quot;A String&quot;, # Optional. The name for this extension. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number. This field is required except for AuthzExtension.
              &quot;requestBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for request body processing. The field can only be set if `supported_events` includes `REQUEST_BODY`. If `supported_events` includes `REQUEST_BODY`, but `request_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `REQUEST_BODY` and `REQUEST_TRAILERS`. This field can be set only for `LbTrafficExtension` and `LbRouteExtension` resources, and only when the `service` field of the extension points to a `BackendService`. Only `FULL_DUPLEX_STREAMED` mode is supported for `LbRouteExtension` resources.
              &quot;responseBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for response processing. If unspecified, the default value `STREAMED` is used. The field can only be set if `supported_events` includes `RESPONSE_BODY`. If `supported_events` includes `RESPONSE_BODY`, but `response_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `RESPONSE_BODY` and `RESPONSE_TRAILERS`. This field can be set only for `LbTrafficExtension` resources, and only when the `service` field of the extension points to a `BackendService`.
              &quot;service&quot;: &quot;A String&quot;, # Required. The reference to the service that runs the extension. To configure a callout extension, `service` must be a fully-qualified reference to a [backend service](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices) in the format: `https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}` or `https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices/{backendService}`. To configure a plugin extension, `service` must be a reference to a [`WasmPlugin` resource](https://cloud.google.com/service-extensions/docs/reference/rest/v1beta1/projects.locations.wasmPlugins) in the format: `projects/{project}/locations/{location}/wasmPlugins/{plugin}` or `//networkservices.googleapis.com/projects/{project}/locations/{location}/wasmPlugins/{wasmPlugin}`. Plugin extensions are currently supported for the `LbTrafficExtension`, the `LbRouteExtension`, and the `LbEdgeExtension` resources.
              &quot;supportedEvents&quot;: [ # Optional. A set of events during request or response processing for which this extension is called. For the `LbTrafficExtension` resource, this field is required. For the `LbRouteExtension` resource, this field is optional. If unspecified, `REQUEST_HEADERS` event is assumed as supported. For the `LbEdgeExtension` resource, this field is required and must only contain `REQUEST_HEADERS` event. For the `AuthzExtension` resource, this field is optional. `REQUEST_HEADERS` is the only supported event. If unspecified, `REQUEST_HEADERS` event is assumed as supported.
                &quot;A String&quot;,
              ],
              &quot;timeout&quot;: &quot;A String&quot;, # Optional. Specifies the timeout for each individual message on the stream. The timeout must be between `10`-`10000` milliseconds. Required for callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
            },
          ],
          &quot;matchCondition&quot;: { # Conditions under which this chain is invoked for a request. # Required. Conditions under which this chain is invoked for a request.
            &quot;celExpression&quot;: &quot;A String&quot;, # Required. A Common Expression Language (CEL) expression that is used to match requests for which the extension chain is executed. For more information, see [CEL matcher language reference](https://cloud.google.com/service-extensions/docs/cel-matcher-language-reference).
          },
          &quot;name&quot;: &quot;A String&quot;, # Required. The name for this extension chain. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number.
        },
      ],
      &quot;forwardingRules&quot;: [ # Required. A list of references to the forwarding rules to which this service extension is attached. At least one forwarding rule is required. Only one `LbEdgeExtension` resource can be associated with a forwarding rule.
        &quot;A String&quot;,
      ],
      &quot;labels&quot;: { # Optional. Set of labels associated with the `LbEdgeExtension` resource. The format must comply with [the requirements for labels](https://cloud.google.com/compute/docs/labeling-resources#requirements) for Google Cloud resources.
        &quot;a_key&quot;: &quot;A String&quot;,
      },
      &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # Required. All forwarding rules referenced by this extension must share the same load balancing scheme. Supported values: `EXTERNAL_MANAGED`.
      &quot;name&quot;: &quot;A String&quot;, # Required. Identifier. Name of the `LbEdgeExtension` resource in the following format: `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`.
      &quot;updateTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was updated.
    },
  ],
  &quot;nextPageToken&quot;: &quot;A String&quot;, # A token identifying a page of results that the server returns.
  &quot;unreachable&quot;: [ # Locations that could not be reached.
    &quot;A String&quot;,
  ],
}</pre>
</div>

<div class="method">
    <code class="details" id="list_next">list_next()</code>
  <pre>Retrieves the next page of results.

        Args:
          previous_request: The request for the previous page. (required)
          previous_response: The response from the request for the previous page. (required)

        Returns:
          A request object that you can call &#x27;execute()&#x27; on to request the next
          page. Returns None if there are no more items in the collection.
        </pre>
</div>

<div class="method">
    <code class="details" id="patch">patch(name, body=None, requestId=None, updateMask=None, x__xgafv=None)</code>
  <pre>Updates the parameters of the specified `LbEdgeExtension` resource.

Args:
  name: string, Required. Identifier. Name of the `LbEdgeExtension` resource in the following format: `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`. (required)
  body: object, The request body.
    The object takes the form of:

{ # `LbEdgeExtension` is a resource that lets the extension service influence the selection of backend services and Cloud CDN cache keys by modifying request headers.
  &quot;createTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was created.
  &quot;description&quot;: &quot;A String&quot;, # Optional. A human-readable description of the resource.
  &quot;extensionChains&quot;: [ # Required. A set of ordered extension chains that contain the match conditions and extensions to execute. Match conditions for each extension chain are evaluated in sequence for a given request. The first extension chain that has a condition that matches the request is executed. Any subsequent extension chains do not execute. Limited to 5 extension chains per resource.
    { # A single extension chain wrapper that contains the match conditions and extensions to execute.
      &quot;extensions&quot;: [ # Required. A set of extensions to execute for the matching request. At least one extension is required. Up to 3 extensions can be defined for each extension chain for `LbTrafficExtension` resource. `LbRouteExtension` and `LbEdgeExtension` chains are limited to 1 extension per extension chain.
        { # A single extension in the chain to execute for the matching request.
          &quot;allowDynamicForwarding&quot;: True or False, # Optional. When set to `TRUE`, the response from an extension service is allowed to set the `com.google.envoy.dynamic_forwarding` namespace in the dynamic metadata. This field is not supported for plugin extensions or AuthzExtensions. Setting it results in a validation error.
          &quot;authority&quot;: &quot;A String&quot;, # Optional. The `:authority` header in the gRPC request sent from Envoy to the extension service. Required for Callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
          &quot;failOpen&quot;: True or False, # Optional. Determines how the proxy behaves if the call to the extension fails or times out. When set to `TRUE`, request or response processing continues without error. Any subsequent extensions in the extension chain are also executed. When set to `FALSE` or the default setting of `FALSE` is used, one of the following happens: * If response headers have not been delivered to the downstream client, a generic 500 error is returned to the client. The error response can be tailored by configuring a custom error response in the load balancer. * If response headers have been delivered, then the HTTP stream to the downstream client is reset.
          &quot;forwardHeaders&quot;: [ # Optional. List of the HTTP headers to forward to the extension (from the client or backend). If omitted, all headers are sent. Each element is a string indicating the header name.
            &quot;A String&quot;,
          ],
          &quot;metadata&quot;: { # Optional. The metadata provided here is included as part of the `metadata_context` (of type `google.protobuf.Struct`) in the `ProcessingRequest` message sent to the extension server. For `AuthzExtension` resources, the metadata is available under the namespace `com.google.authz_extension.`. For other types of extensions, the metadata is available under the namespace `com.google....`. For example: `com.google.lb_traffic_extension.lbtrafficextension1.chain1.ext1`. The following variables are supported in the metadata: `{forwarding_rule_id}` - substituted with the forwarding rule&#x27;s fully qualified resource name. This field must not be set for plugin extensions. Setting it results in a validation error. You can set metadata at either the resource level or the extension level. The extension level metadata is recommended because you can pass a different set of metadata through each extension to the backend. This field is subject to following limitations: * The total size of the metadata must be less than 1KiB. * The total number of keys in the metadata must be less than 16. * The length of each key must be less than 64 characters. * The length of each value must be less than 1024 characters. * All values must be strings.
            &quot;a_key&quot;: &quot;&quot;, # Properties of the object.
          },
          &quot;name&quot;: &quot;A String&quot;, # Optional. The name for this extension. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number. This field is required except for AuthzExtension.
          &quot;requestBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for request body processing. The field can only be set if `supported_events` includes `REQUEST_BODY`. If `supported_events` includes `REQUEST_BODY`, but `request_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `REQUEST_BODY` and `REQUEST_TRAILERS`. This field can be set only for `LbTrafficExtension` and `LbRouteExtension` resources, and only when the `service` field of the extension points to a `BackendService`. Only `FULL_DUPLEX_STREAMED` mode is supported for `LbRouteExtension` resources.
          &quot;responseBodySendMode&quot;: &quot;A String&quot;, # Optional. Configures the send mode for response processing. If unspecified, the default value `STREAMED` is used. The field can only be set if `supported_events` includes `RESPONSE_BODY`. If `supported_events` includes `RESPONSE_BODY`, but `response_body_send_mode` is unset, the default value `STREAMED` is used. When this field is set to `FULL_DUPLEX_STREAMED`, `supported_events` must include both `RESPONSE_BODY` and `RESPONSE_TRAILERS`. This field can be set only for `LbTrafficExtension` resources, and only when the `service` field of the extension points to a `BackendService`.
          &quot;service&quot;: &quot;A String&quot;, # Required. The reference to the service that runs the extension. To configure a callout extension, `service` must be a fully-qualified reference to a [backend service](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices) in the format: `https://www.googleapis.com/compute/v1/projects/{project}/regions/{region}/backendServices/{backendService}` or `https://www.googleapis.com/compute/v1/projects/{project}/global/backendServices/{backendService}`. To configure a plugin extension, `service` must be a reference to a [`WasmPlugin` resource](https://cloud.google.com/service-extensions/docs/reference/rest/v1beta1/projects.locations.wasmPlugins) in the format: `projects/{project}/locations/{location}/wasmPlugins/{plugin}` or `//networkservices.googleapis.com/projects/{project}/locations/{location}/wasmPlugins/{wasmPlugin}`. Plugin extensions are currently supported for the `LbTrafficExtension`, the `LbRouteExtension`, and the `LbEdgeExtension` resources.
          &quot;supportedEvents&quot;: [ # Optional. A set of events during request or response processing for which this extension is called. For the `LbTrafficExtension` resource, this field is required. For the `LbRouteExtension` resource, this field is optional. If unspecified, `REQUEST_HEADERS` event is assumed as supported. For the `LbEdgeExtension` resource, this field is required and must only contain `REQUEST_HEADERS` event. For the `AuthzExtension` resource, this field is optional. `REQUEST_HEADERS` is the only supported event. If unspecified, `REQUEST_HEADERS` event is assumed as supported.
            &quot;A String&quot;,
          ],
          &quot;timeout&quot;: &quot;A String&quot;, # Optional. Specifies the timeout for each individual message on the stream. The timeout must be between `10`-`10000` milliseconds. Required for callout extensions. This field is not supported for plugin extensions. Setting it results in a validation error.
        },
      ],
      &quot;matchCondition&quot;: { # Conditions under which this chain is invoked for a request. # Required. Conditions under which this chain is invoked for a request.
        &quot;celExpression&quot;: &quot;A String&quot;, # Required. A Common Expression Language (CEL) expression that is used to match requests for which the extension chain is executed. For more information, see [CEL matcher language reference](https://cloud.google.com/service-extensions/docs/cel-matcher-language-reference).
      },
      &quot;name&quot;: &quot;A String&quot;, # Required. The name for this extension chain. The name is logged as part of the HTTP request logs. The name must conform with RFC-1034, is restricted to lower-cased letters, numbers and hyphens, and can have a maximum length of 63 characters. Additionally, the first character must be a letter and the last a letter or a number.
    },
  ],
  &quot;forwardingRules&quot;: [ # Required. A list of references to the forwarding rules to which this service extension is attached. At least one forwarding rule is required. Only one `LbEdgeExtension` resource can be associated with a forwarding rule.
    &quot;A String&quot;,
  ],
  &quot;labels&quot;: { # Optional. Set of labels associated with the `LbEdgeExtension` resource. The format must comply with [the requirements for labels](https://cloud.google.com/compute/docs/labeling-resources#requirements) for Google Cloud resources.
    &quot;a_key&quot;: &quot;A String&quot;,
  },
  &quot;loadBalancingScheme&quot;: &quot;A String&quot;, # Required. All forwarding rules referenced by this extension must share the same load balancing scheme. Supported values: `EXTERNAL_MANAGED`.
  &quot;name&quot;: &quot;A String&quot;, # Required. Identifier. Name of the `LbEdgeExtension` resource in the following format: `projects/{project}/locations/{location}/lbEdgeExtensions/{lb_edge_extension}`.
  &quot;updateTime&quot;: &quot;A String&quot;, # Output only. The timestamp when the resource was updated.
}

  requestId: string, Optional. An optional request ID to identify requests. Specify a unique request ID so that if you must retry your request, the server can ignore the request if it has already been completed. The server guarantees that for 60 minutes since the first request. For example, consider a situation where you make an initial request and the request times out. If you make the request again with the same request ID, the server ignores the second request This prevents clients from accidentally creating duplicate commitments. The request ID must be a valid UUID with the exception that zero UUID is not supported (00000000-0000-0000-0000-000000000000).
  updateMask: string, Optional. Used to specify the fields to be overwritten in the `LbEdgeExtension` resource by the update. The fields specified in the `update_mask` are relative to the resource, not the full request. A field is overwritten if it is in the mask. If the user does not specify a mask, then all fields are overwritten.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # This resource represents a long-running operation that is the result of a network API call.
  &quot;done&quot;: True or False, # If the value is `false`, it means the operation is still in progress. If `true`, the operation is completed, and either `error` or `response` is available.
  &quot;error&quot;: { # The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors). # The error result of the operation in case of failure or cancellation.
    &quot;code&quot;: 42, # The status code, which should be an enum value of google.rpc.Code.
    &quot;details&quot;: [ # A list of messages that carry the error details. There is a common set of message types for APIs to use.
      {
        &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
      },
    ],
    &quot;message&quot;: &quot;A String&quot;, # A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client.
  },
  &quot;metadata&quot;: { # Service-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata. Any method that returns a long-running operation should document the metadata type, if any.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
  &quot;name&quot;: &quot;A String&quot;, # The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.
  &quot;response&quot;: { # The normal, successful response of the operation. If the original method returns no data on success, such as `Delete`, the response is `google.protobuf.Empty`. If the original method is standard `Get`/`Create`/`Update`, the response should be the resource. For other methods, the response should have the type `XxxResponse`, where `Xxx` is the original method name. For example, if the original method name is `TakeSnapshot()`, the inferred response type is `TakeSnapshotResponse`.
    &quot;a_key&quot;: &quot;&quot;, # Properties of the object. Contains field @type with type URL.
  },
}</pre>
</div>

</body></html>